Description

Bis(Trimethylstannyl)Acetylene is a highly specialized organotin compound, serving as a critical building block in advanced organic synthesis and materials science. Its core value lies in its unique structure, which acts as a versatile source of the stannylacetylene unit for cross-coupling reactions and polymer formation. This compound is essential for researchers and manufacturers in the semiconductor, pharmaceutical, and specialty polymer industries, where it is used to create novel materials with tailored electronic and structural properties.

Application

• Semiconductor Precursor: A key reagent in the chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes for creating tin-containing thin films and nanostructures.
• Pharmaceutical Intermediate: Used in the synthesis of complex molecules and potential drug candidates via Stille cross-coupling and other metal-catalyzed reactions.
• Polymer Chemistry: Serves as a monomer or co-monomer for synthesizing organotin polymers and advanced materials with specific optical or electronic characteristics.
• Organic Synthesis: A versatile reagent for constructing carbon-carbon bonds, enabling the synthesis of complex alkynes and conjugated systems in research and development.
• Material Science Research: Employed in developing novel organometallic frameworks (OMFs), sensors, and catalysts with unique properties.
• Liquid Crystal & OLED Materials: Used in the production of precursors for tin-containing compounds that enhance the performance of electronic displays.

Basic Information

Product Name	Bis(Trimethylstannyl)Acetylene
CAS No.	2117-50-2
Molecular Formula	C8H18Sn2
Molecular Weight	351.64 g/mol
Synonyms	1,2-Bis(trimethylstannyl)acetylene; Hexamethyl-1,2-distannabut-3-yne; Bis(trimethyltin)acetylene; Acetylene-1,2-diylbis(trimethylstannane); 1,2-Distanna-3-butyne, 1,1,1,2,2,2-hexamethyl-; Stannylacetylene reagent; TMSTA; (Trimethylstannyl)acetylene dimer
EINECS	218-310-4

Quality Control

Our Bis(Trimethylstannyl)Acetylene is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We adhere to industry best practices and can support customer-specific analytical requirements for R&D and commercial production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (by 1H NMR or GC)	≥ 95.0%
Purity (GC)	≥ 97.0%
Tin (Sn) Content	Contact for details
Moisture (KF)	< 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.